National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Fair

59°F

15°C

Humidity 90%
Wind Speed NW 3 mph
Barometer 30.05 in (1017.2 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 17 May 6:56 am EDT
Extended Forecast for

2 Miles SW Grant Mills NY

  • Today

    Today: Mostly sunny, with a high near 78. West wind 3 to 8 mph.

    High: 78 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 82. South wind 3 to 8 mph.

    High: 82 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 62. Southwest wind around 5 mph.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84. West wind 5 to 9 mph. Chance of precipitation is 20%.

    High: 84 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 79. Chance of precipitation is 80%.

    High: 79 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 8pm. Low around 41. Chance of precipitation is 80%.

    Low: 41 °F

    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 78. West wind 3 to 8 mph.
Tonight
Partly cloudy, with a low around 56. Calm wind.
Monday
Mostly sunny, with a high near 82. South wind 3 to 8 mph.
Monday Night
Mostly clear, with a low around 62. Southwest wind around 5 mph.
Tuesday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84. West wind 5 to 9 mph. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 79. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm before 8pm. Low around 41. Chance of precipitation is 80%.
Thursday
Mostly sunny, with a high near 60.
Thursday Night
Partly cloudy, with a low around 41.
Friday
Partly sunny, with a high near 61.
Friday Night
Mostly cloudy, with a low around 43.
Saturday
A chance of showers. Mostly cloudy, with a high near 61. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Grant Mills NY
 42.06°N 74.71°W (Elev. 2201 ft)
Last Update:
6:09 am EDT May 17, 2026
Forecast Valid:
7am EDT May 17, 2026-6pm EDT May 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation